Invertible apparatus for molding a concrete panel

Details Invertible apparatus for molding a concrete panel Invertible apparatus for molding a concrete panel

1975-04-04

1977-02-01

Spicer, Jr., Robert L.

Plastic article or earthenware shaping or treating: apparatus

Shaping surface including means to release or remove product...

By means inverting mold

249137, 425443, 425452, B28B 1305

Patent

active

040059723

ABSTRACT:
Apparatus for molding a concrete panel having:

REFERENCES:
patent: 847618 (1907-03-01), Steinhoff
patent: 978600 (1910-12-01), Lampman
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patent: 3196513 (1965-07-01), Parma
patent: 3659986 (1972-05-01), Gelbman
patent: 3682448 (1972-08-01), Kedzior et al.
patent: 3704979 (1972-12-01), Thiessen
patent: 3753453 (1973-08-01), Madden et al.

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